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The CAR data consists of 12 variables: X1 = Mileage X2 = Price X3 = Make X4 = Model X5 = Trim X6 = Type
The CAR data consists of 12 variables:
X1 = Mileage
X2 = Price
X3 = Make
X4 = Model
X5 = Trim
X6 = Type
X7 = Cylinder
X8 = Liter
X9 = Doors
X10 = Cruise
X11 = Sound
X12 = Leather
Requirement:
- Input the data for variables into an SPSS data sheet.
- Using independent two-samples t test to test if there is a significant difference in the mean value of
- prices for different makes of vehicles. Make sure that you summarize the details of statistical test in a table by listing out their test statistics, p-value, confidence interval of the mean value, etc. The results cannot be edited further in Word.
- How many pairs of comparison that you have conducted in Question 2. List out all possible combinations.
- Focusing on the one selected Make (It is free of your choice, for example, you can pick Buick), using an appropriate statistical test to decide if there is a significant difference in the mean value of prices for different models. Report the details of the statistical test.
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